TY  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
A1  - ZHANG Xia-heng1,2
T1  - Evaluation on Input Efficiency of Cross-border E-commerce Production Factor
Y1  - 
JF  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
JO  - Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
SP  - 30
EP  - 35
VL  - 22
IS  - 1
UR  - {https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2019.0341}
N1  - 10.19722/j.cnki.1008-7729.2019.0341
ER  -